131043254440 has 64 divisors (see below), whose sum is σ = 341714453760. Its totient is φ = 44296304640.

The previous prime is 131043254437. The next prime is 131043254479. The reversal of 131043254440 is 44452340131.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3275977 + ... + 3315736.

It is an arithmetic number, because the mean of its divisors is an integer number (5339288340).

Almost surely, 2^131043254440 is an apocalyptic number.

131043254440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131043254440 is an abundant number, since it is smaller than the sum of its proper divisors (210671199320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131043254440 is a wasteful number, since it uses less digits than its factorization.

131043254440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6591802 (or 6591798 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 131043254440 its reverse (44452340131), we get a palindrome (175495594571).

The spelling of 131043254440 in words is "one hundred thirty-one billion, forty-three million, two hundred fifty-four thousand, four hundred forty".